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sladkih [1.3K]
3 years ago
15

Simplify y^-2/y^-7. Write your answer with a positive exponent only.

Mathematics
2 answers:
Vaselesa [24]3 years ago
6 0

Answer:

y^2

Step-by-step explanation:

One way of doing this problem is to multiply both numerator and denominator by y^7.  Doing this we get:

  y^(-2+7)

--------------- = y^2

 y^(-7+7)

attashe74 [19]3 years ago
4 0

Answer:

y^5

Step-by-step explanation:

y^-2/y^-7

When we divide exponents with the same base, we subtract the exponents

y^ ( -2 - -7)

y^ ( -2+7)

y^ 5

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As an estimation we are told £3 is €4.<br> Convert £33 to euros.
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Answer:

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Step-by-step explanation:

if the ratio between an english pound and a euro is 3 to 4 respectivley, the ratios will hold true for any number. Since 33/3 = 11, we can stratigically multiply by 1,

3/4 = (3/4)(11/11)

so the ratios would be the same, multiplying, you would get 33/44, which means 33 pounds for 44 euros

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3 years ago
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Answer:

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Step-by-step explanation:

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Putting in the above formula

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3 years ago
X = 4. 5x +23x^3 - 360.
Zinaida [17]

Missing: 360 ‎| ‎Must include: ‎360

look at

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